+1 618-281-5355 inman71@gmail.com
Male technicians service for repair and maintenance of air conditioners

Inman Heating & Cooling of Illinois

Reliable Heating & Cooling Solutions for Year-Round Comfort

Local Heating & Air Conditioner Services

After over 50 years in the business, we’re able to tackle a comprehensive range of residential and commercial HVAC services with complete confidence. We strive to instill that same sense of confidence in our customers with personalized service. Our experienced technicians provide residential air conditioning repair services for cooling systems of all makes and models. We also work as a full-service HVAC and heating contractor, offering seasonal maintenance, system diagnostics, and dependable heater repair services to restore warmth during colder months.

In addition to HVAC solutions, we provide professional hot water tank repair services to help ensure your household has a reliable supply of hot water when you need it most.

We are a preferred Trane Dealer.

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Over 50 Years of Experience

air-conditioner

Cooling & Heating Services

24-hours-support

24-Hour Emergency HVAC Services in Columbia, Belleville IL & Surrounding Areas

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Quality & Skilled Work

24/7 Emergency Service

Inman Heating & Cooling

Whether you need to repair or replace your furnace or air conditioning system, you can count on Inman Heating & Cooling to be there when you need us, charge you a fair and honest price, and stand behind our work.

At Inman Heating & Cooling, we deliver “Peace of Mind” in everything that we do to make the environment of your home as comfortable as it can be for you and your family.

Call Inman Heating & Cooling at (618) 281-5355 for the most competitive air conditioner estimates.

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HVAC Contractor
Heater Repair Services

Local Heating Air Conditioner Services in Columbia, Belleville IL & Surrounding Areas

Choose from our services below to learn more.
furnace

Furnaces

A properly installed furnace is far less likely to require major repairs.

air-conditioner indoor

Air Conditioners Installation

We only carry the most cost-effective and reliable air conditioning products.

AC installation

Air Conditioning Repair

Inman Heating & Cooling is here to make sure you have reliable cold air at home.

furnace

Indoor Air Quality

We are dedicated to helping you improve the quality of your air.

furnace

Humidifiers

Our team provides a free in-home estimate to assess the right humidifier for you.

furnace

Radiant Heat/Boilers

We offer boilers that come with a five-year parts and labor warranty.

furnace

Water Heaters

We have an extensive range of water heaters to fit any application or budget.

furnace

Air Conditioning FAQ

At Inman Heating & Cooling, we are here to help. Browse our FAQs, or give us a call.

All Services

How Do Our Repair Services Work?

When your system stops working, we follow a proven process to restore comfort quickly:

  1. Step 1: System Diagnostic – We perform a 30-point inspection of your HVAC system to identify the exact cause of the issue.
  2. Step 2: Upfront Pricing – We provide a clear, flat-rate estimate before any repair work begins.
  3. Step 3: Efficient Repair – Our technicians arrive prepared with common replacement parts, allowing many repairs to be completed during the same visit.
Reviews

What Our Happy Clients Say About Us

Thank you so much for the excellent service for both our HVAC systems, our home, and our elderly parents’ place!

You certainly exceeded our expectations! Promptness, knowledge, and a fair value were delivered with a smile. We planned to have both our furnace and our parents’ furnace checked and serviced before the weather set in for winter.

Free Estimates

Leader In Home
Heating & Cooling

In addition to cooling your home, Inman Heating & Cooling is the residential leader in home heating.

  • Furnace repair & boiler repair – all models
  • Furnace service
  • Furnace sales, with special offers throughout the year
  • Expert furnace installation

Free in-home Furnace Estimates and Air Conditioning Estimates are a click away…

At inmanheatingandcooling.com or call (618) 281-5355

Free in-home Furnace Estimates and Air Conditioning Estimates are a click away at inmanheatingandcooling.com or call (618) 281-5355

Request Estimate

Frequently Asked Questions

What HVAC services do you provide?
We provide complete HVAC services including heating and cooling installation, system replacements, repairs, seasonal maintenance, indoor air quality solutions, and water heater services. Our team works on all major brands and ensures every system operates efficiently, safely, and reliably for long-term home comfort.
Can you handle Air Conditioner Repair Services in Belleville IL?
We provide fast and dependable Air Conditioner Repair Services in Belleville IL. Our technicians diagnose issues quickly, repair faulty components, and restore cooling performance efficiently so your home stays comfortable during the hottest times of the year.
Do you provide HVAC maintenance plans?
Yes, we offer routine maintenance services to help prevent breakdowns and extend system lifespan. Regular inspections, cleaning, and performance checks keep your heating and cooling equipment operating efficiently while reducing unexpected repair costs throughout the year.
What residential air conditioning services do you offer?
We provide complete residential air conditioning services including installation, system replacement, seasonal tune-ups, and repairs. Our goal is to maximize cooling efficiency, improve airflow, and ensure consistent indoor comfort during warm weather conditions.
Do you repair hot water tanks?
Yes, we provide hot water tank repair services to address leaks, inconsistent temperatures, unusual noises, or complete system failures. Our team works efficiently to restore reliable hot water and ensure safe operation for your household needs.
How do I know if I need heater repair services?
Common signs include uneven heating, strange sounds, rising utility bills, or frequent cycling. We thoroughly inspect your system, identify the problem, and provide dependable heater repair services to restore consistent and safe heating performance.
How often should HVAC systems be serviced?
We recommend servicing your heating and cooling systems at least once per year. Regular maintenance helps improve efficiency, reduce repair costs, extend equipment lifespan, and ensure safe operation before peak heating or cooling seasons begin.
Do you install energy-efficient HVAC systems?
Yes, we install modern, energy-efficient HVAC systems designed to lower utility bills and improve indoor comfort. We help homeowners select properly sized equipment that delivers reliable performance while maximizing long-term energy savings.
What signs indicate my air conditioner needs replacement?
If your system frequently breaks down, struggles to cool evenly, or causes rising energy bills, it may be time for replacement. We assess your equipment honestly and recommend whether repair or a new installation is the most cost-effective solution.
What should I do if my AC stops working suddenly?
If your AC stops working, we recommend checking your thermostat and breaker first. If the issue persists, contact us for professional air conditioner repair services. We quickly diagnose the problem and restore cooling performance efficiently.
What services do you provide as a heating contractor in Columbia IL?
As a heating contractor in Columbia IL, we provide complete heating services, including furnace installation, heater repair, system replacement, and seasonal maintenance. Our team works on all major brands and ensures every system operates safely and efficiently, delivering reliable warmth, improved energy efficiency, and long-lasting comfort for your home.
What services do you offer as an air conditioning contractor in Columbia IL?
As an air conditioning contractor in Columbia IL, we offer comprehensive AC services, including new system installation, air conditioner repair, replacement, and routine maintenance. Our team ensures every system operates efficiently, delivers consistent cooling, and keeps your home comfortable, while helping to reduce energy costs and extend the life of your equipment.
How can I reduce my air conditioning energy costs during summer?
To reduce air conditioning energy costs during summer, we recommend scheduling regular maintenance, cleaning or replacing filters, sealing ducts, and using programmable thermostats. Upgrading to an energy-efficient AC system and properly sizing it for your home also helps lower utility bills while maintaining consistent, comfortable indoor temperatures.
Areas We Serve

Regional HVAC Experts

After over 50 years in the heating and cooling industry, we can confidently tackle any problem in any residential or commercial application. When you call Inman Heating & Cooling, you’re getting factory-trained technicians who are at your disposal 24 hours a day, 7 days a week. We extend these services to:
  • Columbia, IL
  • Edwardsville, IL
  • Belleville, IL
  • Collinsville, IL
  • Granite City, IL
  • Waterloo, IL
  • Millstadt, IL
  • Red Bud, IL
  • Alton, IL
  • Bethalto, IL
  • East Alton, IL
  • Glen Carbon, IL
  • Godfrey, IL
  • Hamel, IL
  • Highland, IL
  • Troy, IL
  • Madison, IL
  • Maryville, IL
  • Wood River, IL
  • Cahokia, IL
  • Dupo, IL
  • Fairview Heights, IL
  • Freeburg, IL
  • Lebanon, IL
  • Marissa, IL
  • Mascoutah, IL
  • O’Fallon, IL
  • Caseyville, IL
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